Quick NSArray creation (objective-c)

NSArray *arrayCreate(id firstObject, ...) {
 NSMutableArray *objects = [NSMutableArray array];
 [objects addObject:firstObject];
 va_list args;
 va_start(args, firstObject);
 id arg;
 while ((arg = va_arg(args, id))) {
 if (arg == nil)
 break;
 [objects addObject:arg];
 }
 va_end(args);
 return [objects copy];
}

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